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Printed Circuit Board Bracket for PS/2 Adapter Cards

Publishing Venue

IBM

Related People

Petras, RD: AUTHOR

Abstract

This bracket is designed to hold a PS/2* Micro Channel* adapter card securely to a printed circuit board. The bracket is attached to the printed circuit board so that no external structure is needed to keep the Micro Channel card in place.

Country

United States

Language

English (United States)

This text was extracted from an ASCII text file.

This is the abbreviated version, containing approximately
62% of the total text.

Printed Circuit Board Bracket for PS/2 Adapter Cards

This bracket
is designed to hold a PS/2* Micro Channel* adapter
card securely to a printed circuit board.
The bracket is attached to
the printed circuit board so that no external structure is needed to
keep the Micro Channel card in place.

The bracket
shown (Fig. 1) is used to hold PS/2 Micro Channel
adapter cards securely to a printed circuit board without any other
external structure.

The bracket
is mounted on the printed circuit board in line
with the Micro Channel card edge connectors.
The bracket has
alignment pins to position it on the printed circuit board. It is
held in place with screws that go through the board. The bracket has
a screw in the same place as the thumb screw in a standard PS/2 case
to hold the Micro Channel card.

Normally,
PS/2 adapter cards are held in place with a thumb
screw attached to the PS/2 case. The
Space Station DMS (Data
Management System) Kit uses a Micro Channel backplane, but in a
19-inch rack mounted case that is not designed to hold PS/2 adapter
cards. It was found that the card edge
connectors that make the
electrical connection to the PS/2 adapter cards were not sufficient
to hold the cards in place during normal use.
What was needed was a
way to hold the cards in place without connecting them to the case.

A plastic
bracket was designed that is mounted on the same
printed circuit board as the PS/2 card edge connec...